[tbb-commits] [tor-browser] branch tor-browser-102.3.0esr-12.0-2 updated: squash! Firefox preference overrides.

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richard pushed a commit to branch tor-browser-102.3.0esr-12.0-2
in repository tor-browser.

The following commit(s) were added to refs/heads/tor-browser-102.3.0esr-12.0-2 by this push:
     new 58364b04825f squash! Firefox preference overrides.
58364b04825f is described below

commit 58364b04825f023b11617590a404dfcc35e40d21
Author: Richard Pospesel <richard at torproject.org>
AuthorDate: Sat Oct 8 01:58:37 2022 +0000

    squash! Firefox preference overrides.
    
    Bug 40057: Ensure the CSS4 system colors are not a fingerprinting vector
---
 browser/app/profile/001-base-profile.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/browser/app/profile/001-base-profile.js b/browser/app/profile/001-base-profile.js
index 374bc3d1550e..f4524718aa3f 100644
--- a/browser/app/profile/001-base-profile.js
+++ b/browser/app/profile/001-base-profile.js
@@ -226,6 +226,8 @@ pref("dom.textMetrics.emHeight.enabled", false);
 pref("dom.textMetrics.fontBoundingBox.enabled", false);
 pref("pdfjs.enableScripting", false);
 pref("javascript.options.large_arraybuffers", false);
+// Bug 40057: Ensure system colors are not used for CSS4 colors
+pref("browser.display.use_system_colors", false);
 
 // Third party stuff
 pref("privacy.firstparty.isolate", true); // Always enforce first party isolation

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